megalith
UK /ˈmɛɡəlɪθ/ US /ˈmɛɡəˌlɪθ/
noun 3
Definitions
noun
1
A large stone slab making up a prehistoric monument, or part of such a monument.
2
A prehistoric monument made up of one or more large stones.
3
A large stone or block of stone used in the construction of a modern structure.
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